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2 years ago

Subtract 7x + 2 from –5x2 – 2x.

Mathematics

2 answers:

Triss [41]2 years ago

8 0

Answer:

-5x^2-5x+2

Step-by-step explanation:

-5x^2-2x

7x+2

Aleks [24]2 years ago

5 0

Answer:

5x^2 + 9x + 2

Step-by-step explanation:

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What is the midpoint of a line segment with the endpoints (-4, -3) and (7, -5)

Katyanochek1 [597]

Midpoint Formula: ( $\frac{x+x}{2}$ , $\frac{y+y}{2}$ )
Midpoint = ( $\frac {-4+7}{2}$ , $\frac {-3-5}{2}$ )
Midpoint = ( $\frac {3}{2}$ , $\frac {-8}{2}$ )
Midpoint = ( $\frac {3}{2}$ , -4)
So, the midpoint of the endpoints (-4,-3) and (7,-5) is ( $\frac {3}{2}$ , -4).
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3 years ago

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The solution of the following equation as 0.15 ( 10t - 9= 0.75 (4t - 3)

Alenkinab [10]

Answer:

$\huge\boxed{\sf t = 0.6}$

Step-by-step explanation:

$\sf 0.15(10t-9) = 0.75(4t-3)\\\\Resolving \ Parenthesis\\\\1.5t-1.35 = 3t - 2.25\\\\Combining \ like \ terms\\\\-1.35 + 2.25 = 3t-1.5t\\\\0.9 = 1.5t\\\\Dividing \ both \ sides \ by \ 1.5\\\\0.9/1.5 = t\\\\0.6 = t\\\\OR\\\\\bold{t = 0.6}$

Hope this helped!

<h2>~AnonymousHelper1807</h2>

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3 years ago

Please help. I really don't seem to understand this question.

ivann1987 [24]

Answer:

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Both are equal so the answer is Yes they are parallel

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2 years ago

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